Who Discovered Neptune

The Discovery of Neptune

Some planets are known to be visible to the unaided eye. Uranus can only be seen in a perfectly dark place and if the person knows where to look. Neptune, on the other hand can only be seen through a telescope. The telescope is a relatively new invention so therefore, Neptune was discovered not so long ago. So who actually discovered Neptune?

The discovery of Neptune took numerous astrological observations and studies. A French astrologer named Alexis Bouvard believed that there was a planet after Uranus. He had this hypothesis because he noticed that there were some irregularities to the motion of Uranus and he believed that another planet�s gravity was causing this.

Although Alexis Bouvard came up with this hypothesis, it was actually John Couch Adams and Urbain Le Verreir who made the actual discovery of Neptune. Adams and Le Verreir both studied this hypothesis independently. Both of which urged their colleagues to spend time looking for the planet using their calculations. Le Verreir urged Johann Gottfried Galle from the Berlin Observatory to search for the additional planet. Galle spent one evening looking for the planet and found it within 1 degree of Le Verreir�s calculations. Adams, on the other hand asked George Airy and James Challis to help find the planet according to his calculations. He too was able to find Neptune. Because Adams and Le Verreir both discovered Neptune around the same time, they were both credited to discovering Neptune.





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